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1da177e4 LT |
1 | #ifndef __ALPHA_STRING_H__ |
2 | #define __ALPHA_STRING_H__ | |
3 | ||
4 | #ifdef __KERNEL__ | |
5 | ||
6 | /* | |
7 | * GCC of any recent vintage doesn't do stupid things with bcopy. | |
8 | * EGCS 1.1 knows all about expanding memcpy inline, others don't. | |
9 | * | |
10 | * Similarly for a memset with data = 0. | |
11 | */ | |
12 | ||
13 | #define __HAVE_ARCH_MEMCPY | |
14 | extern void * memcpy(void *, const void *, size_t); | |
15 | #define __HAVE_ARCH_MEMMOVE | |
16 | extern void * memmove(void *, const void *, size_t); | |
17 | ||
18 | /* For backward compatibility with modules. Unused otherwise. */ | |
19 | extern void * __memcpy(void *, const void *, size_t); | |
20 | ||
21 | #define memcpy __builtin_memcpy | |
22 | ||
23 | #define __HAVE_ARCH_MEMSET | |
24 | extern void * __constant_c_memset(void *, unsigned long, size_t); | |
25 | extern void * __memset(void *, int, size_t); | |
26 | extern void * memset(void *, int, size_t); | |
27 | ||
28 | #define memset(s, c, n) \ | |
29 | (__builtin_constant_p(c) \ | |
30 | ? (__builtin_constant_p(n) && (c) == 0 \ | |
31 | ? __builtin_memset((s),0,(n)) \ | |
32 | : __constant_c_memset((s),0x0101010101010101UL*(unsigned char)(c),(n))) \ | |
33 | : __memset((s),(c),(n))) | |
34 | ||
35 | #define __HAVE_ARCH_STRCPY | |
36 | extern char * strcpy(char *,const char *); | |
37 | #define __HAVE_ARCH_STRNCPY | |
38 | extern char * strncpy(char *, const char *, size_t); | |
39 | #define __HAVE_ARCH_STRCAT | |
40 | extern char * strcat(char *, const char *); | |
41 | #define __HAVE_ARCH_STRNCAT | |
42 | extern char * strncat(char *, const char *, size_t); | |
43 | #define __HAVE_ARCH_STRCHR | |
44 | extern char * strchr(const char *,int); | |
45 | #define __HAVE_ARCH_STRRCHR | |
46 | extern char * strrchr(const char *,int); | |
47 | #define __HAVE_ARCH_STRLEN | |
48 | extern size_t strlen(const char *); | |
49 | #define __HAVE_ARCH_MEMCHR | |
50 | extern void * memchr(const void *, int, size_t); | |
51 | ||
52 | /* The following routine is like memset except that it writes 16-bit | |
53 | aligned values. The DEST and COUNT parameters must be even for | |
54 | correct operation. */ | |
55 | ||
56 | #define __HAVE_ARCH_MEMSETW | |
57 | extern void * __memsetw(void *dest, unsigned short, size_t count); | |
58 | ||
59 | #define memsetw(s, c, n) \ | |
60 | (__builtin_constant_p(c) \ | |
61 | ? __constant_c_memset((s),0x0001000100010001UL*(unsigned short)(c),(n)) \ | |
62 | : __memsetw((s),(c),(n))) | |
63 | ||
1da177e4 LT |
64 | #endif /* __KERNEL__ */ |
65 | ||
66 | #endif /* __ALPHA_STRING_H__ */ |